A flat top used with glass, stone, marble, etc. The 4 o-rings seal all the bottles with 2 o-rings sealing most of them. It is made with 304 FDA kitchen grade stainless and FDA nitrile o-rings.
Adhesives recommended by glass and stoneworkers:
Loctite 349: optically clear, stong. Hardware or Hobby shops.
If you have any questions, call 717-486-5232